72947420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 190512000

約数和(自身を除く): 117564580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 149, 182, 260, 269, 298, 364, 455, 538, 596, 745, 910, 1043, 1076, 1345, 1490, 1820, 1883, 1937, 2086, 2690, 2980, 3497, 3766, 3874, 4172, 5215, 5380, 6994, 7532, 7748, 9415, 9685, 10430, 13559, 13988, 17485, 18830, 19370, 20860, 24479, 27118, 34970, 37660, 38740, 40081, 48958, 54236, 67795, 69940, 80162, 97916, 122395, 135590, 160324, 200405, 244790, 271180, 280567, 400810, 489580, 521053, 561134, 801620, 1042106, 1122268, 1402835, 2084212, 2605265, 2805670, 3647371, 5210530, 5611340, 7294742, 10421060, 14589484, 18236855, 36473710, 72947420]

約数ペア:

[(1, 72947420), (2, 36473710), (4, 18236855), (5, 14589484), (7, 10421060), (10, 7294742), (13, 5611340), (14, 5210530), (20, 3647371), (26, 2805670), (28, 2605265), (35, 2084212), (52, 1402835), (65, 1122268), (70, 1042106), (91, 801620), (130, 561134), (140, 521053), (149, 489580), (182, 400810), (260, 280567), (269, 271180), (298, 244790), (364, 200405), (455, 160324), (538, 135590), (596, 122395), (745, 97916), (910, 80162), (1043, 69940), (1076, 67795), (1345, 54236), (1490, 48958), (1820, 40081), (1883, 38740), (1937, 37660), (2086, 34970), (2690, 27118), (2980, 24479), (3497, 20860), (3766, 19370), (3874, 18830), (4172, 17485), (5215, 13988), (5380, 13559), (6994, 10430), (7532, 9685), (7748, 9415)]