399474972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 1130088960

約数和(自身を除く): 730613988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 109, 117, 123, 156, 164, 191, 218, 234, 246, 327, 369, 382, 436, 468, 492, 533, 573, 654, 738, 764, 981, 1066, 1146, 1308, 1417, 1476, 1599, 1719, 1962, 2132, 2292, 2483, 2834, 3198, 3438, 3924, 4251, 4469, 4797, 4966, 5668, 6396, 6876, 7449, 7831, 8502, 8938, 9594, 9932, 12753, 13407, 14898, 15662, 17004, 17876, 19188, 20819, 22347, 23493, 25506, 26814, 29796, 31324, 40221, 41638, 44694, 46986, 51012, 53628, 58097, 62457, 70479, 80442, 83276, 89388, 93972, 101803, 116194, 124914, 140958, 160884, 174291, 187371, 203606, 232388, 249828, 270647, 281916, 305409, 348582, 374742, 407212, 522873, 541294, 610818, 697164, 749484, 811941, 853579, 916227, 1045746, 1082588, 1221636, 1623882, 1707158, 1832454, 2091492, 2435823, 2560737, 3247764, 3414316, 3664908, 4871646, 5121474, 7682211, 9743292, 10242948, 11096527, 15364422, 22193054, 30728844, 33289581, 44386108, 66579162, 99868743, 133158324, 199737486, 399474972]

約数ペア:

[(1, 399474972), (2, 199737486), (3, 133158324), (4, 99868743), (6, 66579162), (9, 44386108), (12, 33289581), (13, 30728844), (18, 22193054), (26, 15364422), (36, 11096527), (39, 10242948), (41, 9743292), (52, 7682211), (78, 5121474), (82, 4871646), (109, 3664908), (117, 3414316), (123, 3247764), (156, 2560737), (164, 2435823), (191, 2091492), (218, 1832454), (234, 1707158), (246, 1623882), (327, 1221636), (369, 1082588), (382, 1045746), (436, 916227), (468, 853579), (492, 811941), (533, 749484), (573, 697164), (654, 610818), (738, 541294), (764, 522873), (981, 407212), (1066, 374742), (1146, 348582), (1308, 305409), (1417, 281916), (1476, 270647), (1599, 249828), (1719, 232388), (1962, 203606), (2132, 187371), (2292, 174291), (2483, 160884), (2834, 140958), (3198, 124914), (3438, 116194), (3924, 101803), (4251, 93972), (4469, 89388), (4797, 83276), (4966, 80442), (5668, 70479), (6396, 62457), (6876, 58097), (7449, 53628), (7831, 51012), (8502, 46986), (8938, 44694), (9594, 41638), (9932, 40221), (12753, 31324), (13407, 29796), (14898, 26814), (15662, 25506), (17004, 23493), (17876, 22347), (19188, 20819)]