28217200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^3\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 120

約数和(自身を含む): 75972816

約数和(自身を除く): 47755616

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 53, 55, 80, 88, 100, 106, 110, 121, 176, 200, 212, 220, 242, 265, 275, 400, 424, 440, 484, 530, 550, 583, 605, 848, 880, 968, 1060, 1100, 1166, 1210, 1325, 1331, 1936, 2120, 2200, 2332, 2420, 2650, 2662, 2915, 3025, 4240, 4400, 4664, 4840, 5300, 5324, 5830, 6050, 6413, 6655, 9328, 9680, 10600, 10648, 11660, 12100, 12826, 13310, 14575, 21200, 21296, 23320, 24200, 25652, 26620, 29150, 32065, 33275, 46640, 48400, 51304, 53240, 58300, 64130, 66550, 70543, 102608, 106480, 116600, 128260, 133100, 141086, 160325, 233200, 256520, 266200, 282172, 320650, 352715, 513040, 532400, 564344, 641300, 705430, 1128688, 1282600, 1410860, 1763575, 2565200, 2821720, 3527150, 5643440, 7054300, 14108600, 28217200]

約数ペア:

[(1, 28217200), (2, 14108600), (4, 7054300), (5, 5643440), (8, 3527150), (10, 2821720), (11, 2565200), (16, 1763575), (20, 1410860), (22, 1282600), (25, 1128688), (40, 705430), (44, 641300), (50, 564344), (53, 532400), (55, 513040), (80, 352715), (88, 320650), (100, 282172), (106, 266200), (110, 256520), (121, 233200), (176, 160325), (200, 141086), (212, 133100), (220, 128260), (242, 116600), (265, 106480), (275, 102608), (400, 70543), (424, 66550), (440, 64130), (484, 58300), (530, 53240), (550, 51304), (583, 48400), (605, 46640), (848, 33275), (880, 32065), (968, 29150), (1060, 26620), (1100, 25652), (1166, 24200), (1210, 23320), (1325, 21296), (1331, 21200), (1936, 14575), (2120, 13310), (2200, 12826), (2332, 12100), (2420, 11660), (2650, 10648), (2662, 10600), (2915, 9680), (3025, 9328), (4240, 6655), (4400, 6413), (4664, 6050), (4840, 5830), (5300, 5324)]