404902160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:737

約数の個数: 160

約数和(自身を含む): 1103262720

約数和(自身を除く): 698360560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 190, 208, 247, 248, 260, 304, 310, 380, 403, 494, 496, 520, 589, 620, 661, 760, 806, 988, 1040, 1178, 1235, 1240, 1322, 1520, 1612, 1976, 2015, 2356, 2470, 2480, 2644, 2945, 3224, 3305, 3952, 4030, 4712, 4940, 5288, 5890, 6448, 6610, 7657, 8060, 8593, 9424, 9880, 10576, 11780, 12559, 13220, 15314, 16120, 17186, 19760, 20491, 23560, 25118, 26440, 30628, 32240, 34372, 38285, 40982, 42965, 47120, 50236, 52880, 61256, 62795, 68744, 76570, 81964, 85930, 100472, 102455, 122512, 125590, 137488, 153140, 163267, 163928, 171860, 200944, 204910, 251180, 266383, 306280, 326534, 327856, 343720, 389329, 409820, 502360, 532766, 612560, 653068, 687440, 778658, 816335, 819640, 1004720, 1065532, 1306136, 1331915, 1557316, 1632670, 1639280, 1946645, 2131064, 2612272, 2663830, 3114632, 3265340, 3893290, 4262128, 5061277, 5327660, 6229264, 6530680, 7786580, 10122554, 10655320, 13061360, 15573160, 20245108, 21310640, 25306385, 31146320, 40490216, 50612770, 80980432, 101225540, 202451080, 404902160]

約数ペア:

[(1, 404902160), (2, 202451080), (4, 101225540), (5, 80980432), (8, 50612770), (10, 40490216), (13, 31146320), (16, 25306385), (19, 21310640), (20, 20245108), (26, 15573160), (31, 13061360), (38, 10655320), (40, 10122554), (52, 7786580), (62, 6530680), (65, 6229264), (76, 5327660), (80, 5061277), (95, 4262128), (104, 3893290), (124, 3265340), (130, 3114632), (152, 2663830), (155, 2612272), (190, 2131064), (208, 1946645), (247, 1639280), (248, 1632670), (260, 1557316), (304, 1331915), (310, 1306136), (380, 1065532), (403, 1004720), (494, 819640), (496, 816335), (520, 778658), (589, 687440), (620, 653068), (661, 612560), (760, 532766), (806, 502360), (988, 409820), (1040, 389329), (1178, 343720), (1235, 327856), (1240, 326534), (1322, 306280), (1520, 266383), (1612, 251180), (1976, 204910), (2015, 200944), (2356, 171860), (2470, 163928), (2480, 163267), (2644, 153140), (2945, 137488), (3224, 125590), (3305, 122512), (3952, 102455), (4030, 100472), (4712, 85930), (4940, 81964), (5288, 76570), (5890, 68744), (6448, 62795), (6610, 61256), (7657, 52880), (8060, 50236), (8593, 47120), (9424, 42965), (9880, 40982), (10576, 38285), (11780, 34372), (12559, 32240), (13220, 30628), (15314, 26440), (16120, 25118), (17186, 23560), (19760, 20491)]