221497360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{593}}^1$

素因数の和:665

約数の個数: 160

約数和(自身を含む): 636387840

約数和(自身を除く): 414890480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 29, 35, 40, 46, 56, 58, 70, 80, 92, 112, 115, 116, 140, 145, 161, 184, 203, 230, 232, 280, 290, 322, 368, 406, 460, 464, 560, 580, 593, 644, 667, 805, 812, 920, 1015, 1160, 1186, 1288, 1334, 1610, 1624, 1840, 2030, 2320, 2372, 2576, 2668, 2965, 3220, 3248, 3335, 4060, 4151, 4669, 4744, 5336, 5930, 6440, 6670, 8120, 8302, 9338, 9488, 10672, 11860, 12880, 13340, 13639, 16240, 16604, 17197, 18676, 20755, 23345, 23720, 26680, 27278, 33208, 34394, 37352, 41510, 46690, 47440, 53360, 54556, 66416, 68195, 68788, 74704, 83020, 85985, 93380, 95473, 109112, 120379, 136390, 137576, 166040, 171970, 186760, 190946, 218224, 240758, 272780, 275152, 332080, 343940, 373520, 381892, 395531, 477365, 481516, 545560, 601895, 687880, 763784, 791062, 954730, 963032, 1091120, 1203790, 1375760, 1527568, 1582124, 1909460, 1926064, 1977655, 2407580, 2768717, 3164248, 3818920, 3955310, 4815160, 5537434, 6328496, 7637840, 7910620, 9630320, 11074868, 13843585, 15821240, 22149736, 27687170, 31642480, 44299472, 55374340, 110748680, 221497360]

約数ペア:

[(1, 221497360), (2, 110748680), (4, 55374340), (5, 44299472), (7, 31642480), (8, 27687170), (10, 22149736), (14, 15821240), (16, 13843585), (20, 11074868), (23, 9630320), (28, 7910620), (29, 7637840), (35, 6328496), (40, 5537434), (46, 4815160), (56, 3955310), (58, 3818920), (70, 3164248), (80, 2768717), (92, 2407580), (112, 1977655), (115, 1926064), (116, 1909460), (140, 1582124), (145, 1527568), (161, 1375760), (184, 1203790), (203, 1091120), (230, 963032), (232, 954730), (280, 791062), (290, 763784), (322, 687880), (368, 601895), (406, 545560), (460, 481516), (464, 477365), (560, 395531), (580, 381892), (593, 373520), (644, 343940), (667, 332080), (805, 275152), (812, 272780), (920, 240758), (1015, 218224), (1160, 190946), (1186, 186760), (1288, 171970), (1334, 166040), (1610, 137576), (1624, 136390), (1840, 120379), (2030, 109112), (2320, 95473), (2372, 93380), (2576, 85985), (2668, 83020), (2965, 74704), (3220, 68788), (3248, 68195), (3335, 66416), (4060, 54556), (4151, 53360), (4669, 47440), (4744, 46690), (5336, 41510), (5930, 37352), (6440, 34394), (6670, 33208), (8120, 27278), (8302, 26680), (9338, 23720), (9488, 23345), (10672, 20755), (11860, 18676), (12880, 17197), (13340, 16604), (13639, 16240)]