1798139980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:788

約数の個数: 192

約数和(自身を含む): 4983793920

約数和(自身を除く): 3185653940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 89, 91, 119, 130, 140, 170, 178, 182, 221, 238, 260, 340, 356, 364, 442, 445, 455, 476, 595, 623, 653, 884, 890, 910, 1105, 1157, 1190, 1246, 1306, 1513, 1547, 1780, 1820, 2210, 2314, 2380, 2492, 2612, 3026, 3094, 3115, 3265, 4420, 4571, 4628, 5785, 6052, 6188, 6230, 6530, 7565, 7735, 8099, 8489, 9142, 10591, 11101, 11570, 12460, 13060, 15130, 15470, 16198, 16978, 18284, 19669, 21182, 22202, 22855, 23140, 30260, 30940, 32396, 33956, 39338, 40495, 42364, 42445, 44404, 45710, 52955, 55505, 58117, 59423, 77707, 78676, 80990, 84890, 91420, 98345, 105910, 111010, 116234, 118846, 137683, 144313, 155414, 161980, 169780, 196690, 211820, 222020, 232468, 237692, 275366, 288626, 290585, 297115, 310828, 388535, 393380, 406819, 550732, 577252, 581170, 594230, 688415, 721565, 755521, 777070, 813638, 987989, 1010191, 1162340, 1188460, 1376830, 1443130, 1511042, 1554140, 1627276, 1975978, 2020382, 2034095, 2753660, 2886260, 3022084, 3777605, 3951956, 4040764, 4068190, 4939945, 5050955, 5288647, 6915923, 7555210, 8136380, 9879890, 10101910, 10577294, 12843857, 13831846, 15110420, 19759780, 20203820, 21154588, 25687714, 26443235, 27663692, 34579615, 51375428, 52886470, 64219285, 69159230, 89906999, 105772940, 128438570, 138318460, 179813998, 256877140, 359627996, 449534995, 899069990, 1798139980]

約数ペア:

[(1, 1798139980), (2, 899069990), (4, 449534995), (5, 359627996), (7, 256877140), (10, 179813998), (13, 138318460), (14, 128438570), (17, 105772940), (20, 89906999), (26, 69159230), (28, 64219285), (34, 52886470), (35, 51375428), (52, 34579615), (65, 27663692), (68, 26443235), (70, 25687714), (85, 21154588), (89, 20203820), (91, 19759780), (119, 15110420), (130, 13831846), (140, 12843857), (170, 10577294), (178, 10101910), (182, 9879890), (221, 8136380), (238, 7555210), (260, 6915923), (340, 5288647), (356, 5050955), (364, 4939945), (442, 4068190), (445, 4040764), (455, 3951956), (476, 3777605), (595, 3022084), (623, 2886260), (653, 2753660), (884, 2034095), (890, 2020382), (910, 1975978), (1105, 1627276), (1157, 1554140), (1190, 1511042), (1246, 1443130), (1306, 1376830), (1513, 1188460), (1547, 1162340), (1780, 1010191), (1820, 987989), (2210, 813638), (2314, 777070), (2380, 755521), (2492, 721565), (2612, 688415), (3026, 594230), (3094, 581170), (3115, 577252), (3265, 550732), (4420, 406819), (4571, 393380), (4628, 388535), (5785, 310828), (6052, 297115), (6188, 290585), (6230, 288626), (6530, 275366), (7565, 237692), (7735, 232468), (8099, 222020), (8489, 211820), (9142, 196690), (10591, 169780), (11101, 161980), (11570, 155414), (12460, 144313), (13060, 137683), (15130, 118846), (15470, 116234), (16198, 111010), (16978, 105910), (18284, 98345), (19669, 91420), (21182, 84890), (22202, 80990), (22855, 78676), (23140, 77707), (30260, 59423), (30940, 58117), (32396, 55505), (33956, 52955), (39338, 45710), (40495, 44404), (42364, 42445)]