209805180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 663828480

約数和(自身を除く): 454023300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 47, 52, 59, 60, 65, 78, 94, 97, 118, 130, 141, 156, 177, 188, 194, 195, 235, 236, 260, 282, 291, 295, 354, 388, 390, 470, 485, 564, 582, 590, 611, 705, 708, 767, 780, 885, 940, 970, 1164, 1180, 1222, 1261, 1410, 1455, 1534, 1770, 1833, 1940, 2301, 2444, 2522, 2773, 2820, 2910, 3055, 3068, 3540, 3666, 3783, 3835, 4559, 4602, 5044, 5546, 5723, 5820, 6110, 6305, 7332, 7566, 7670, 8319, 9118, 9165, 9204, 11092, 11446, 11505, 12220, 12610, 13677, 13865, 15132, 15340, 16638, 17169, 18236, 18330, 18915, 22795, 22892, 23010, 25220, 27354, 27730, 28615, 33276, 34338, 36049, 36660, 37830, 41595, 45590, 46020, 54708, 55460, 57230, 59267, 68385, 68676, 72098, 74399, 75660, 83190, 85845, 91180, 108147, 114460, 118534, 136770, 144196, 148798, 166380, 171690, 177801, 180245, 216294, 223197, 237068, 268981, 273540, 296335, 297596, 343380, 355602, 360490, 371995, 432588, 446394, 537962, 540735, 592670, 711204, 720980, 743990, 806943, 889005, 892788, 1075924, 1081470, 1115985, 1185340, 1344905, 1487980, 1613886, 1778010, 2162940, 2231970, 2689810, 3227772, 3496753, 3556020, 4034715, 4463940, 5379620, 6993506, 8069430, 10490259, 13987012, 16138860, 17483765, 20980518, 34967530, 41961036, 52451295, 69935060, 104902590, 209805180]

約数ペア:

[(1, 209805180), (2, 104902590), (3, 69935060), (4, 52451295), (5, 41961036), (6, 34967530), (10, 20980518), (12, 17483765), (13, 16138860), (15, 13987012), (20, 10490259), (26, 8069430), (30, 6993506), (39, 5379620), (47, 4463940), (52, 4034715), (59, 3556020), (60, 3496753), (65, 3227772), (78, 2689810), (94, 2231970), (97, 2162940), (118, 1778010), (130, 1613886), (141, 1487980), (156, 1344905), (177, 1185340), (188, 1115985), (194, 1081470), (195, 1075924), (235, 892788), (236, 889005), (260, 806943), (282, 743990), (291, 720980), (295, 711204), (354, 592670), (388, 540735), (390, 537962), (470, 446394), (485, 432588), (564, 371995), (582, 360490), (590, 355602), (611, 343380), (705, 297596), (708, 296335), (767, 273540), (780, 268981), (885, 237068), (940, 223197), (970, 216294), (1164, 180245), (1180, 177801), (1222, 171690), (1261, 166380), (1410, 148798), (1455, 144196), (1534, 136770), (1770, 118534), (1833, 114460), (1940, 108147), (2301, 91180), (2444, 85845), (2522, 83190), (2773, 75660), (2820, 74399), (2910, 72098), (3055, 68676), (3068, 68385), (3540, 59267), (3666, 57230), (3783, 55460), (3835, 54708), (4559, 46020), (4602, 45590), (5044, 41595), (5546, 37830), (5723, 36660), (5820, 36049), (6110, 34338), (6305, 33276), (7332, 28615), (7566, 27730), (7670, 27354), (8319, 25220), (9118, 23010), (9165, 22892), (9204, 22795), (11092, 18915), (11446, 18330), (11505, 18236), (12220, 17169), (12610, 16638), (13677, 15340), (13865, 15132)]