1378080520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{49429}}^1$

素因数の和:49498

約数の個数: 64

約数和(自身を含む): 3363217200

約数和(自身を除く): 1985136680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1394, 1640, 2788, 3485, 5576, 6970, 13940, 27880, 49429, 98858, 197716, 247145, 395432, 494290, 840293, 988580, 1680586, 1977160, 2026589, 3361172, 4053178, 4201465, 6722344, 8106356, 8402930, 10132945, 16212712, 16805860, 20265890, 33611720, 34452013, 40531780, 68904026, 81063560, 137808052, 172260065, 275616104, 344520130, 689040260, 1378080520]

約数ペア:

[(1, 1378080520), (2, 689040260), (4, 344520130), (5, 275616104), (8, 172260065), (10, 137808052), (17, 81063560), (20, 68904026), (34, 40531780), (40, 34452013), (41, 33611720), (68, 20265890), (82, 16805860), (85, 16212712), (136, 10132945), (164, 8402930), (170, 8106356), (205, 6722344), (328, 4201465), (340, 4053178), (410, 3361172), (680, 2026589), (697, 1977160), (820, 1680586), (1394, 988580), (1640, 840293), (2788, 494290), (3485, 395432), (5576, 247145), (6970, 197716), (13940, 98858), (27880, 49429)]