205121643820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{625409}}^1$

素因数の和:625495

約数の個数: 72

約数和(自身を含む): 464824725120

約数和(自身を除く): 259703081300

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 529, 620, 713, 1058, 1426, 2116, 2645, 2852, 3565, 5290, 7130, 10580, 14260, 16399, 32798, 65596, 81995, 163990, 327980, 625409, 1250818, 2501636, 3127045, 6254090, 12508180, 14384407, 19387679, 28768814, 38775358, 57537628, 71922035, 77550716, 96938395, 143844070, 193876790, 287688140, 330841361, 387753580, 445916617, 661682722, 891833234, 1323365444, 1654206805, 1783666468, 2229583085, 3308413610, 4459166170, 6616827220, 8918332340, 10256082191, 20512164382, 41024328764, 51280410955, 102560821910, 205121643820]

約数ペア:

[(1, 205121643820), (2, 102560821910), (4, 51280410955), (5, 41024328764), (10, 20512164382), (20, 10256082191), (23, 8918332340), (31, 6616827220), (46, 4459166170), (62, 3308413610), (92, 2229583085), (115, 1783666468), (124, 1654206805), (155, 1323365444), (230, 891833234), (310, 661682722), (460, 445916617), (529, 387753580), (620, 330841361), (713, 287688140), (1058, 193876790), (1426, 143844070), (2116, 96938395), (2645, 77550716), (2852, 71922035), (3565, 57537628), (5290, 38775358), (7130, 28768814), (10580, 19387679), (14260, 14384407), (16399, 12508180), (32798, 6254090), (65596, 3127045), (81995, 2501636), (163990, 1250818), (327980, 625409)]