210391740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1913}}^1$

素因数の和:1988

約数の個数: 144

約数和(自身を含む): 702269568

約数和(自身を除く): 491877828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 47, 52, 60, 65, 78, 90, 94, 117, 130, 141, 156, 180, 188, 195, 234, 235, 260, 282, 390, 423, 468, 470, 564, 585, 611, 705, 780, 846, 940, 1170, 1222, 1410, 1692, 1833, 1913, 2115, 2340, 2444, 2820, 3055, 3666, 3826, 4230, 5499, 5739, 6110, 7332, 7652, 8460, 9165, 9565, 10998, 11478, 12220, 17217, 18330, 19130, 21996, 22956, 24869, 27495, 28695, 34434, 36660, 38260, 49738, 54990, 57390, 68868, 74607, 86085, 89911, 99476, 109980, 114780, 124345, 149214, 172170, 179822, 223821, 248690, 269733, 298428, 344340, 359644, 373035, 447642, 449555, 497380, 539466, 746070, 809199, 895284, 899110, 1078932, 1119105, 1168843, 1348665, 1492140, 1618398, 1798220, 2238210, 2337686, 2697330, 3236796, 3506529, 4045995, 4476420, 4675372, 5394660, 5844215, 7013058, 8091990, 10519587, 11688430, 14026116, 16183980, 17532645, 21039174, 23376860, 35065290, 42078348, 52597935, 70130580, 105195870, 210391740]

約数ペア:

[(1, 210391740), (2, 105195870), (3, 70130580), (4, 52597935), (5, 42078348), (6, 35065290), (9, 23376860), (10, 21039174), (12, 17532645), (13, 16183980), (15, 14026116), (18, 11688430), (20, 10519587), (26, 8091990), (30, 7013058), (36, 5844215), (39, 5394660), (45, 4675372), (47, 4476420), (52, 4045995), (60, 3506529), (65, 3236796), (78, 2697330), (90, 2337686), (94, 2238210), (117, 1798220), (130, 1618398), (141, 1492140), (156, 1348665), (180, 1168843), (188, 1119105), (195, 1078932), (234, 899110), (235, 895284), (260, 809199), (282, 746070), (390, 539466), (423, 497380), (468, 449555), (470, 447642), (564, 373035), (585, 359644), (611, 344340), (705, 298428), (780, 269733), (846, 248690), (940, 223821), (1170, 179822), (1222, 172170), (1410, 149214), (1692, 124345), (1833, 114780), (1913, 109980), (2115, 99476), (2340, 89911), (2444, 86085), (2820, 74607), (3055, 68868), (3666, 57390), (3826, 54990), (4230, 49738), (5499, 38260), (5739, 36660), (6110, 34434), (7332, 28695), (7652, 27495), (8460, 24869), (9165, 22956), (9565, 21996), (10998, 19130), (11478, 18330), (12220, 17217)]