169007860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 436665600

約数和(自身を除く): 267657740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 59, 70, 74, 79, 98, 118, 140, 148, 158, 185, 196, 236, 245, 259, 295, 316, 370, 395, 413, 490, 518, 553, 590, 740, 790, 826, 980, 1036, 1106, 1180, 1295, 1580, 1652, 1813, 2065, 2183, 2212, 2590, 2765, 2891, 2923, 3626, 3871, 4130, 4366, 4661, 5180, 5530, 5782, 5846, 7252, 7742, 8260, 8732, 9065, 9322, 10915, 11060, 11564, 11692, 14455, 14615, 15281, 15484, 18130, 18644, 19355, 20461, 21830, 23305, 28910, 29230, 30562, 32627, 36260, 38710, 40922, 43660, 46610, 57820, 58460, 61124, 65254, 76405, 77420, 81844, 93220, 102305, 106967, 130508, 143227, 152810, 163135, 172457, 204610, 213934, 228389, 286454, 305620, 326270, 344914, 409220, 427868, 456778, 534835, 572908, 652540, 689828, 716135, 862285, 913556, 1069670, 1141945, 1207199, 1432270, 1724570, 2139340, 2283890, 2414398, 2864540, 3449140, 4567780, 4828796, 6035995, 8450393, 12071990, 16900786, 24143980, 33801572, 42251965, 84503930, 169007860]

約数ペア:

[(1, 169007860), (2, 84503930), (4, 42251965), (5, 33801572), (7, 24143980), (10, 16900786), (14, 12071990), (20, 8450393), (28, 6035995), (35, 4828796), (37, 4567780), (49, 3449140), (59, 2864540), (70, 2414398), (74, 2283890), (79, 2139340), (98, 1724570), (118, 1432270), (140, 1207199), (148, 1141945), (158, 1069670), (185, 913556), (196, 862285), (236, 716135), (245, 689828), (259, 652540), (295, 572908), (316, 534835), (370, 456778), (395, 427868), (413, 409220), (490, 344914), (518, 326270), (553, 305620), (590, 286454), (740, 228389), (790, 213934), (826, 204610), (980, 172457), (1036, 163135), (1106, 152810), (1180, 143227), (1295, 130508), (1580, 106967), (1652, 102305), (1813, 93220), (2065, 81844), (2183, 77420), (2212, 76405), (2590, 65254), (2765, 61124), (2891, 58460), (2923, 57820), (3626, 46610), (3871, 43660), (4130, 40922), (4366, 38710), (4661, 36260), (5180, 32627), (5530, 30562), (5782, 29230), (5846, 28910), (7252, 23305), (7742, 21830), (8260, 20461), (8732, 19355), (9065, 18644), (9322, 18130), (10915, 15484), (11060, 15281), (11564, 14615), (11692, 14455)]