401025800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:452

約数の個数: 144

約数和(自身を含む): 1095822720

約数和(自身を除く): 694796920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 151, 175, 196, 200, 245, 271, 280, 302, 350, 392, 490, 542, 604, 700, 755, 980, 1057, 1084, 1208, 1225, 1355, 1400, 1510, 1897, 1960, 2114, 2168, 2450, 2710, 3020, 3775, 3794, 4228, 4900, 5285, 5420, 6040, 6775, 7399, 7550, 7588, 8456, 9485, 9800, 10570, 10840, 13279, 13550, 14798, 15100, 15176, 18970, 21140, 26425, 26558, 27100, 29596, 30200, 36995, 37940, 40921, 42280, 47425, 52850, 53116, 54200, 59192, 66395, 73990, 75880, 81842, 94850, 105700, 106232, 132790, 147980, 163684, 184975, 189700, 204605, 211400, 265580, 286447, 295960, 327368, 331975, 369950, 379400, 409210, 531160, 572894, 663950, 739900, 818420, 1023025, 1145788, 1327900, 1432235, 1479800, 1636840, 2005129, 2046050, 2291576, 2655800, 2864470, 4010258, 4092100, 5728940, 7161175, 8020516, 8184200, 10025645, 11457880, 14322350, 16041032, 20051290, 28644700, 40102580, 50128225, 57289400, 80205160, 100256450, 200512900, 401025800]

約数ペア:

[(1, 401025800), (2, 200512900), (4, 100256450), (5, 80205160), (7, 57289400), (8, 50128225), (10, 40102580), (14, 28644700), (20, 20051290), (25, 16041032), (28, 14322350), (35, 11457880), (40, 10025645), (49, 8184200), (50, 8020516), (56, 7161175), (70, 5728940), (98, 4092100), (100, 4010258), (140, 2864470), (151, 2655800), (175, 2291576), (196, 2046050), (200, 2005129), (245, 1636840), (271, 1479800), (280, 1432235), (302, 1327900), (350, 1145788), (392, 1023025), (490, 818420), (542, 739900), (604, 663950), (700, 572894), (755, 531160), (980, 409210), (1057, 379400), (1084, 369950), (1208, 331975), (1225, 327368), (1355, 295960), (1400, 286447), (1510, 265580), (1897, 211400), (1960, 204605), (2114, 189700), (2168, 184975), (2450, 163684), (2710, 147980), (3020, 132790), (3775, 106232), (3794, 105700), (4228, 94850), (4900, 81842), (5285, 75880), (5420, 73990), (6040, 66395), (6775, 59192), (7399, 54200), (7550, 53116), (7588, 52850), (8456, 47425), (9485, 42280), (9800, 40921), (10570, 37940), (10840, 36995), (13279, 30200), (13550, 29596), (14798, 27100), (15100, 26558), (15176, 26425), (18970, 21140)]