290167240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:671

約数の個数: 128

約数和(自身を含む): 763344000

約数和(自身を除く): 473176760

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 61, 76, 88, 95, 110, 122, 152, 190, 209, 220, 244, 305, 380, 418, 440, 488, 569, 610, 671, 760, 836, 1045, 1138, 1159, 1220, 1342, 1672, 2090, 2276, 2318, 2440, 2684, 2845, 3355, 4180, 4552, 4636, 5368, 5690, 5795, 6259, 6710, 8360, 9272, 10811, 11380, 11590, 12518, 12749, 13420, 21622, 22760, 23180, 25036, 25498, 26840, 31295, 34709, 43244, 46360, 50072, 50996, 54055, 62590, 63745, 69418, 86488, 101992, 108110, 118921, 125180, 127490, 138836, 173545, 216220, 237842, 250360, 254980, 277672, 347090, 381799, 432440, 475684, 509960, 594605, 659471, 694180, 763598, 951368, 1189210, 1318942, 1388360, 1527196, 1908995, 2378420, 2637884, 3054392, 3297355, 3817990, 4756840, 5275768, 6594710, 7254181, 7635980, 13189420, 14508362, 15271960, 26378840, 29016724, 36270905, 58033448, 72541810, 145083620, 290167240]

約数ペア:

[(1, 290167240), (2, 145083620), (4, 72541810), (5, 58033448), (8, 36270905), (10, 29016724), (11, 26378840), (19, 15271960), (20, 14508362), (22, 13189420), (38, 7635980), (40, 7254181), (44, 6594710), (55, 5275768), (61, 4756840), (76, 3817990), (88, 3297355), (95, 3054392), (110, 2637884), (122, 2378420), (152, 1908995), (190, 1527196), (209, 1388360), (220, 1318942), (244, 1189210), (305, 951368), (380, 763598), (418, 694180), (440, 659471), (488, 594605), (569, 509960), (610, 475684), (671, 432440), (760, 381799), (836, 347090), (1045, 277672), (1138, 254980), (1159, 250360), (1220, 237842), (1342, 216220), (1672, 173545), (2090, 138836), (2276, 127490), (2318, 125180), (2440, 118921), (2684, 108110), (2845, 101992), (3355, 86488), (4180, 69418), (4552, 63745), (4636, 62590), (5368, 54055), (5690, 50996), (5795, 50072), (6259, 46360), (6710, 43244), (8360, 34709), (9272, 31295), (10811, 26840), (11380, 25498), (11590, 25036), (12518, 23180), (12749, 22760), (13420, 21622)]