1282019900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:436

約数の個数: 144

約数和(自身を含む): 3266457600

約数和(自身を除く): 1984437700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 97, 100, 140, 158, 175, 194, 239, 316, 350, 388, 395, 478, 485, 553, 679, 700, 790, 956, 970, 1106, 1195, 1358, 1580, 1673, 1940, 1975, 2212, 2390, 2425, 2716, 2765, 3346, 3395, 3950, 4780, 4850, 5530, 5975, 6692, 6790, 7663, 7900, 8365, 9700, 11060, 11950, 13580, 13825, 15326, 16730, 16975, 18881, 23183, 23900, 27650, 30652, 33460, 33950, 37762, 38315, 41825, 46366, 53641, 55300, 67900, 75524, 76630, 83650, 92732, 94405, 107282, 115915, 132167, 153260, 162281, 167300, 188810, 191575, 214564, 231830, 264334, 268205, 324562, 377620, 383150, 463660, 472025, 528668, 536410, 579575, 649124, 660835, 766300, 811405, 944050, 1072820, 1159150, 1321670, 1341025, 1622810, 1831457, 1888100, 2318300, 2643340, 2682050, 3245620, 3304175, 3662914, 4057025, 5364100, 6608350, 7325828, 8114050, 9157285, 12820199, 13216700, 16228100, 18314570, 25640398, 36629140, 45786425, 51280796, 64100995, 91572850, 128201990, 183145700, 256403980, 320504975, 641009950, 1282019900]

約数ペア:

[(1, 1282019900), (2, 641009950), (4, 320504975), (5, 256403980), (7, 183145700), (10, 128201990), (14, 91572850), (20, 64100995), (25, 51280796), (28, 45786425), (35, 36629140), (50, 25640398), (70, 18314570), (79, 16228100), (97, 13216700), (100, 12820199), (140, 9157285), (158, 8114050), (175, 7325828), (194, 6608350), (239, 5364100), (316, 4057025), (350, 3662914), (388, 3304175), (395, 3245620), (478, 2682050), (485, 2643340), (553, 2318300), (679, 1888100), (700, 1831457), (790, 1622810), (956, 1341025), (970, 1321670), (1106, 1159150), (1195, 1072820), (1358, 944050), (1580, 811405), (1673, 766300), (1940, 660835), (1975, 649124), (2212, 579575), (2390, 536410), (2425, 528668), (2716, 472025), (2765, 463660), (3346, 383150), (3395, 377620), (3950, 324562), (4780, 268205), (4850, 264334), (5530, 231830), (5975, 214564), (6692, 191575), (6790, 188810), (7663, 167300), (7900, 162281), (8365, 153260), (9700, 132167), (11060, 115915), (11950, 107282), (13580, 94405), (13825, 92732), (15326, 83650), (16730, 76630), (16975, 75524), (18881, 67900), (23183, 55300), (23900, 53641), (27650, 46366), (30652, 41825), (33460, 38315), (33950, 37762)]