420161910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{277}}^1$

素因数の和:558

約数の個数: 128

約数和(自身を含む): 1199038464

約数和(自身を除く): 778876554

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 233, 277, 310, 434, 465, 466, 554, 651, 699, 831, 930, 1085, 1165, 1302, 1385, 1398, 1631, 1662, 1939, 2170, 2330, 2770, 3255, 3262, 3495, 3878, 4155, 4893, 5817, 6510, 6990, 7223, 8155, 8310, 8587, 9695, 9786, 11634, 14446, 16310, 17174, 19390, 21669, 24465, 25761, 29085, 36115, 42935, 43338, 48930, 50561, 51522, 58170, 60109, 64541, 72230, 85870, 101122, 108345, 120218, 128805, 129082, 151683, 180327, 193623, 216690, 252805, 257610, 300545, 303366, 322705, 360654, 387246, 451787, 505610, 601090, 645410, 758415, 901635, 903574, 968115, 1355361, 1516830, 1803270, 1936230, 2000771, 2258935, 2710722, 4001542, 4517870, 6002313, 6776805, 10003855, 12004626, 13553610, 14005397, 20007710, 28010794, 30011565, 42016191, 60023130, 70026985, 84032382, 140053970, 210080955, 420161910]

約数ペア:

[(1, 420161910), (2, 210080955), (3, 140053970), (5, 84032382), (6, 70026985), (7, 60023130), (10, 42016191), (14, 30011565), (15, 28010794), (21, 20007710), (30, 14005397), (31, 13553610), (35, 12004626), (42, 10003855), (62, 6776805), (70, 6002313), (93, 4517870), (105, 4001542), (155, 2710722), (186, 2258935), (210, 2000771), (217, 1936230), (233, 1803270), (277, 1516830), (310, 1355361), (434, 968115), (465, 903574), (466, 901635), (554, 758415), (651, 645410), (699, 601090), (831, 505610), (930, 451787), (1085, 387246), (1165, 360654), (1302, 322705), (1385, 303366), (1398, 300545), (1631, 257610), (1662, 252805), (1939, 216690), (2170, 193623), (2330, 180327), (2770, 151683), (3255, 129082), (3262, 128805), (3495, 120218), (3878, 108345), (4155, 101122), (4893, 85870), (5817, 72230), (6510, 64541), (6990, 60109), (7223, 58170), (8155, 51522), (8310, 50561), (8587, 48930), (9695, 43338), (9786, 42935), (11634, 36115), (14446, 29085), (16310, 25761), (17174, 24465), (19390, 21669)]