398551140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{941}}^1$

素因数の和:1150

約数の個数: 144

約数和(自身を含む): 1310517936

約数和(自身を除く): 911966796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 181, 195, 234, 260, 362, 390, 468, 543, 585, 724, 780, 905, 941, 1086, 1170, 1629, 1810, 1882, 2172, 2340, 2353, 2715, 2823, 3258, 3620, 3764, 4705, 4706, 5430, 5646, 6516, 7059, 8145, 8469, 9410, 9412, 10860, 11292, 11765, 12233, 14115, 14118, 16290, 16938, 18820, 21177, 23530, 24466, 28230, 28236, 32580, 33876, 35295, 36699, 42345, 42354, 47060, 48932, 56460, 61165, 70590, 73398, 84690, 84708, 105885, 110097, 122330, 141180, 146796, 169380, 170321, 183495, 211770, 220194, 244660, 340642, 366990, 423540, 440388, 510963, 550485, 681284, 733980, 851605, 1021926, 1100970, 1532889, 1703210, 2043852, 2201940, 2214173, 2554815, 3065778, 3406420, 4428346, 5109630, 6131556, 6642519, 7664445, 8856692, 10219260, 11070865, 13285038, 15328890, 19927557, 22141730, 26570076, 30657780, 33212595, 39855114, 44283460, 66425190, 79710228, 99637785, 132850380, 199275570, 398551140]

約数ペア:

[(1, 398551140), (2, 199275570), (3, 132850380), (4, 99637785), (5, 79710228), (6, 66425190), (9, 44283460), (10, 39855114), (12, 33212595), (13, 30657780), (15, 26570076), (18, 22141730), (20, 19927557), (26, 15328890), (30, 13285038), (36, 11070865), (39, 10219260), (45, 8856692), (52, 7664445), (60, 6642519), (65, 6131556), (78, 5109630), (90, 4428346), (117, 3406420), (130, 3065778), (156, 2554815), (180, 2214173), (181, 2201940), (195, 2043852), (234, 1703210), (260, 1532889), (362, 1100970), (390, 1021926), (468, 851605), (543, 733980), (585, 681284), (724, 550485), (780, 510963), (905, 440388), (941, 423540), (1086, 366990), (1170, 340642), (1629, 244660), (1810, 220194), (1882, 211770), (2172, 183495), (2340, 170321), (2353, 169380), (2715, 146796), (2823, 141180), (3258, 122330), (3620, 110097), (3764, 105885), (4705, 84708), (4706, 84690), (5430, 73398), (5646, 70590), (6516, 61165), (7059, 56460), (8145, 48932), (8469, 47060), (9410, 42354), (9412, 42345), (10860, 36699), (11292, 35295), (11765, 33876), (12233, 32580), (14115, 28236), (14118, 28230), (16290, 24466), (16938, 23530), (18820, 21177)]