198886520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:477

約数の個数: 128

約数和(自身を含む): 541209600

約数和(自身を除く): 342323080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 89, 92, 115, 140, 161, 178, 184, 230, 280, 322, 347, 356, 445, 460, 623, 644, 694, 712, 805, 890, 920, 1246, 1288, 1388, 1610, 1735, 1780, 2047, 2429, 2492, 2776, 3115, 3220, 3470, 3560, 4094, 4858, 4984, 6230, 6440, 6940, 7981, 8188, 9716, 10235, 12145, 12460, 13880, 14329, 15962, 16376, 19432, 20470, 24290, 24920, 28658, 30883, 31924, 39905, 40940, 48580, 55867, 57316, 61766, 63848, 71645, 79810, 81880, 97160, 111734, 114632, 123532, 143290, 154415, 159620, 216181, 223468, 247064, 279335, 286580, 308830, 319240, 432362, 446936, 558670, 573160, 617660, 710309, 864724, 1080905, 1117340, 1235320, 1420618, 1729448, 2161810, 2234680, 2841236, 3551545, 4323620, 4972163, 5682472, 7103090, 8647240, 9944326, 14206180, 19888652, 24860815, 28412360, 39777304, 49721630, 99443260, 198886520]

約数ペア:

[(1, 198886520), (2, 99443260), (4, 49721630), (5, 39777304), (7, 28412360), (8, 24860815), (10, 19888652), (14, 14206180), (20, 9944326), (23, 8647240), (28, 7103090), (35, 5682472), (40, 4972163), (46, 4323620), (56, 3551545), (70, 2841236), (89, 2234680), (92, 2161810), (115, 1729448), (140, 1420618), (161, 1235320), (178, 1117340), (184, 1080905), (230, 864724), (280, 710309), (322, 617660), (347, 573160), (356, 558670), (445, 446936), (460, 432362), (623, 319240), (644, 308830), (694, 286580), (712, 279335), (805, 247064), (890, 223468), (920, 216181), (1246, 159620), (1288, 154415), (1388, 143290), (1610, 123532), (1735, 114632), (1780, 111734), (2047, 97160), (2429, 81880), (2492, 79810), (2776, 71645), (3115, 63848), (3220, 61766), (3470, 57316), (3560, 55867), (4094, 48580), (4858, 40940), (4984, 39905), (6230, 31924), (6440, 30883), (6940, 28658), (7981, 24920), (8188, 24290), (9716, 20470), (10235, 19432), (12145, 16376), (12460, 15962), (13880, 14329)]