187491640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 144

約数和(自身を含む): 522870120

約数和(自身を除く): 335378480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 196, 238, 245, 280, 289, 331, 340, 392, 476, 490, 578, 595, 662, 680, 833, 952, 980, 1156, 1190, 1324, 1445, 1655, 1666, 1960, 2023, 2312, 2317, 2380, 2648, 2890, 3310, 3332, 4046, 4165, 4634, 4760, 5627, 5780, 6620, 6664, 8092, 8330, 9268, 10115, 11254, 11560, 11585, 13240, 14161, 16184, 16219, 16660, 18536, 20230, 22508, 23170, 28135, 28322, 32438, 33320, 39389, 40460, 45016, 46340, 56270, 56644, 64876, 70805, 78778, 80920, 81095, 92680, 95659, 112540, 113288, 129752, 141610, 157556, 162190, 191318, 196945, 225080, 275723, 283220, 315112, 324380, 382636, 393890, 478295, 551446, 566440, 648760, 669613, 765272, 787780, 956590, 1102892, 1339226, 1378615, 1575560, 1913180, 2205784, 2678452, 2757230, 3348065, 3826360, 4687291, 5356904, 5514460, 6696130, 9374582, 11028920, 13392260, 18749164, 23436455, 26784520, 37498328, 46872910, 93745820, 187491640]

約数ペア:

[(1, 187491640), (2, 93745820), (4, 46872910), (5, 37498328), (7, 26784520), (8, 23436455), (10, 18749164), (14, 13392260), (17, 11028920), (20, 9374582), (28, 6696130), (34, 5514460), (35, 5356904), (40, 4687291), (49, 3826360), (56, 3348065), (68, 2757230), (70, 2678452), (85, 2205784), (98, 1913180), (119, 1575560), (136, 1378615), (140, 1339226), (170, 1102892), (196, 956590), (238, 787780), (245, 765272), (280, 669613), (289, 648760), (331, 566440), (340, 551446), (392, 478295), (476, 393890), (490, 382636), (578, 324380), (595, 315112), (662, 283220), (680, 275723), (833, 225080), (952, 196945), (980, 191318), (1156, 162190), (1190, 157556), (1324, 141610), (1445, 129752), (1655, 113288), (1666, 112540), (1960, 95659), (2023, 92680), (2312, 81095), (2317, 80920), (2380, 78778), (2648, 70805), (2890, 64876), (3310, 56644), (3332, 56270), (4046, 46340), (4165, 45016), (4634, 40460), (4760, 39389), (5627, 33320), (5780, 32438), (6620, 28322), (6664, 28135), (8092, 23170), (8330, 22508), (9268, 20230), (10115, 18536), (11254, 16660), (11560, 16219), (11585, 16184), (13240, 14161)]