428438430

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{571}}^1$

素因数の和:991

約数の個数: 128

約数和(自身を含む): 1311298560

約数和(自身を除く): 882860130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 397, 571, 630, 794, 945, 1142, 1191, 1713, 1890, 1985, 2382, 2779, 2855, 3426, 3573, 3970, 3997, 5139, 5558, 5710, 5955, 7146, 7994, 8337, 8565, 10278, 10719, 11910, 11991, 13895, 15417, 16674, 17130, 17865, 19985, 21438, 23982, 25011, 25695, 27790, 30834, 35730, 35973, 39970, 41685, 50022, 51390, 53595, 59955, 71946, 75033, 77085, 83370, 107190, 107919, 119910, 125055, 150066, 154170, 179865, 215838, 226687, 250110, 359730, 375165, 453374, 539595, 680061, 750330, 1079190, 1133435, 1360122, 1586809, 2040183, 2266870, 3173618, 3400305, 4080366, 4760427, 6120549, 6800610, 7934045, 9520854, 10200915, 12241098, 14281281, 15868090, 20401830, 23802135, 28562562, 30602745, 42843843, 47604270, 61205490, 71406405, 85687686, 142812810, 214219215, 428438430]

約数ペア:

[(1, 428438430), (2, 214219215), (3, 142812810), (5, 85687686), (6, 71406405), (7, 61205490), (9, 47604270), (10, 42843843), (14, 30602745), (15, 28562562), (18, 23802135), (21, 20401830), (27, 15868090), (30, 14281281), (35, 12241098), (42, 10200915), (45, 9520854), (54, 7934045), (63, 6800610), (70, 6120549), (90, 4760427), (105, 4080366), (126, 3400305), (135, 3173618), (189, 2266870), (210, 2040183), (270, 1586809), (315, 1360122), (378, 1133435), (397, 1079190), (571, 750330), (630, 680061), (794, 539595), (945, 453374), (1142, 375165), (1191, 359730), (1713, 250110), (1890, 226687), (1985, 215838), (2382, 179865), (2779, 154170), (2855, 150066), (3426, 125055), (3573, 119910), (3970, 107919), (3997, 107190), (5139, 83370), (5558, 77085), (5710, 75033), (5955, 71946), (7146, 59955), (7994, 53595), (8337, 51390), (8565, 50022), (10278, 41685), (10719, 39970), (11910, 35973), (11991, 35730), (13895, 30834), (15417, 27790), (16674, 25695), (17130, 25011), (17865, 23982), (19985, 21438)]