398052400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{683}}^1$

素因数の和:779

約数の個数: 120

約数和(自身を含む): 1009649664

約数和(自身を除く): 611597264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 47, 50, 62, 80, 94, 100, 124, 155, 188, 200, 235, 248, 310, 376, 400, 470, 496, 620, 683, 752, 775, 940, 1175, 1240, 1366, 1457, 1550, 1880, 2350, 2480, 2732, 2914, 3100, 3415, 3760, 4700, 5464, 5828, 6200, 6830, 7285, 9400, 10928, 11656, 12400, 13660, 14570, 17075, 18800, 21173, 23312, 27320, 29140, 32101, 34150, 36425, 42346, 54640, 58280, 64202, 68300, 72850, 84692, 105865, 116560, 128404, 136600, 145700, 160505, 169384, 211730, 256808, 273200, 291400, 321010, 338768, 423460, 513616, 529325, 582800, 642020, 802525, 846920, 995131, 1058650, 1284040, 1605050, 1693840, 1990262, 2117300, 2568080, 3210100, 3980524, 4234600, 4975655, 6420200, 7961048, 8469200, 9951310, 12840400, 15922096, 19902620, 24878275, 39805240, 49756550, 79610480, 99513100, 199026200, 398052400]

約数ペア:

[(1, 398052400), (2, 199026200), (4, 99513100), (5, 79610480), (8, 49756550), (10, 39805240), (16, 24878275), (20, 19902620), (25, 15922096), (31, 12840400), (40, 9951310), (47, 8469200), (50, 7961048), (62, 6420200), (80, 4975655), (94, 4234600), (100, 3980524), (124, 3210100), (155, 2568080), (188, 2117300), (200, 1990262), (235, 1693840), (248, 1605050), (310, 1284040), (376, 1058650), (400, 995131), (470, 846920), (496, 802525), (620, 642020), (683, 582800), (752, 529325), (775, 513616), (940, 423460), (1175, 338768), (1240, 321010), (1366, 291400), (1457, 273200), (1550, 256808), (1880, 211730), (2350, 169384), (2480, 160505), (2732, 145700), (2914, 136600), (3100, 128404), (3415, 116560), (3760, 105865), (4700, 84692), (5464, 72850), (5828, 68300), (6200, 64202), (6830, 58280), (7285, 54640), (9400, 42346), (10928, 36425), (11656, 34150), (12400, 32101), (13660, 29140), (14570, 27320), (17075, 23312), (18800, 21173)]