193757440

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 506257920

約数和(自身を除く): 312500480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 256, 257, 304, 310, 320, 380, 496, 514, 589, 608, 620, 640, 760, 992, 1028, 1178, 1216, 1240, 1280, 1285, 1520, 1984, 2056, 2356, 2432, 2480, 2570, 2945, 3040, 3968, 4112, 4712, 4864, 4883, 4960, 5140, 5890, 6080, 7936, 7967, 8224, 9424, 9766, 9920, 10280, 11780, 12160, 15934, 16448, 18848, 19532, 19840, 20560, 23560, 24320, 24415, 31868, 32896, 37696, 39064, 39680, 39835, 41120, 47120, 48830, 63736, 65792, 75392, 78128, 79670, 82240, 94240, 97660, 127472, 150784, 151373, 156256, 159340, 164480, 188480, 195320, 254944, 302746, 312512, 318680, 328960, 376960, 390640, 509888, 605492, 625024, 637360, 753920, 756865, 781280, 1019776, 1210984, 1250048, 1274720, 1513730, 1562560, 2039552, 2421968, 2549440, 3027460, 3125120, 4843936, 5098880, 6054920, 6250240, 9687872, 10197760, 12109840, 19375744, 24219680, 38751488, 48439360, 96878720, 193757440]

約数ペア:

[(1, 193757440), (2, 96878720), (4, 48439360), (5, 38751488), (8, 24219680), (10, 19375744), (16, 12109840), (19, 10197760), (20, 9687872), (31, 6250240), (32, 6054920), (38, 5098880), (40, 4843936), (62, 3125120), (64, 3027460), (76, 2549440), (80, 2421968), (95, 2039552), (124, 1562560), (128, 1513730), (152, 1274720), (155, 1250048), (160, 1210984), (190, 1019776), (248, 781280), (256, 756865), (257, 753920), (304, 637360), (310, 625024), (320, 605492), (380, 509888), (496, 390640), (514, 376960), (589, 328960), (608, 318680), (620, 312512), (640, 302746), (760, 254944), (992, 195320), (1028, 188480), (1178, 164480), (1216, 159340), (1240, 156256), (1280, 151373), (1285, 150784), (1520, 127472), (1984, 97660), (2056, 94240), (2356, 82240), (2432, 79670), (2480, 78128), (2570, 75392), (2945, 65792), (3040, 63736), (3968, 48830), (4112, 47120), (4712, 41120), (4864, 39835), (4883, 39680), (4960, 39064), (5140, 37696), (5890, 32896), (6080, 31868), (7936, 24415), (7967, 24320), (8224, 23560), (9424, 20560), (9766, 19840), (9920, 19532), (10280, 18848), (11780, 16448), (12160, 15934)]