427452800

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 144

約数和(自身を含む): 1098953100

約数和(自身を除く): 671500300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 139, 155, 160, 200, 248, 278, 310, 320, 400, 496, 556, 620, 640, 695, 775, 800, 961, 992, 1112, 1240, 1390, 1550, 1600, 1922, 1984, 2224, 2480, 2780, 3100, 3200, 3475, 3844, 3968, 4309, 4448, 4805, 4960, 5560, 6200, 6950, 7688, 8618, 8896, 9610, 9920, 11120, 12400, 13900, 15376, 17236, 17792, 19220, 19840, 21545, 22240, 24025, 24800, 27800, 30752, 34472, 38440, 43090, 44480, 48050, 49600, 55600, 61504, 68944, 76880, 86180, 88960, 96100, 99200, 107725, 111200, 123008, 133579, 137888, 153760, 172360, 192200, 215450, 222400, 267158, 275776, 307520, 344720, 384400, 430900, 444800, 534316, 551552, 615040, 667895, 689440, 768800, 861800, 1068632, 1335790, 1378880, 1537600, 1723600, 2137264, 2671580, 2757760, 3075200, 3339475, 3447200, 4274528, 5343160, 6678950, 6894400, 8549056, 10686320, 13357900, 13788800, 17098112, 21372640, 26715800, 42745280, 53431600, 85490560, 106863200, 213726400, 427452800]

約数ペア:

[(1, 427452800), (2, 213726400), (4, 106863200), (5, 85490560), (8, 53431600), (10, 42745280), (16, 26715800), (20, 21372640), (25, 17098112), (31, 13788800), (32, 13357900), (40, 10686320), (50, 8549056), (62, 6894400), (64, 6678950), (80, 5343160), (100, 4274528), (124, 3447200), (128, 3339475), (139, 3075200), (155, 2757760), (160, 2671580), (200, 2137264), (248, 1723600), (278, 1537600), (310, 1378880), (320, 1335790), (400, 1068632), (496, 861800), (556, 768800), (620, 689440), (640, 667895), (695, 615040), (775, 551552), (800, 534316), (961, 444800), (992, 430900), (1112, 384400), (1240, 344720), (1390, 307520), (1550, 275776), (1600, 267158), (1922, 222400), (1984, 215450), (2224, 192200), (2480, 172360), (2780, 153760), (3100, 137888), (3200, 133579), (3475, 123008), (3844, 111200), (3968, 107725), (4309, 99200), (4448, 96100), (4805, 88960), (4960, 86180), (5560, 76880), (6200, 68944), (6950, 61504), (7688, 55600), (8618, 49600), (8896, 48050), (9610, 44480), (9920, 43090), (11120, 38440), (12400, 34472), (13900, 30752), (15376, 27800), (17236, 24800), (17792, 24025), (19220, 22240), (19840, 21545)]