629958680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{63761}}^1$

素因数の和:63804

約数の個数: 64

約数和(自身を含む): 1606802400

約数和(自身を除く): 976843720

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 63761, 127522, 255044, 318805, 510088, 637610, 828893, 1211459, 1275220, 1657786, 2422918, 2550440, 3315572, 4144465, 4845836, 6057295, 6631144, 8288930, 9691672, 12114590, 15748967, 16577860, 24229180, 31497934, 33155720, 48458360, 62995868, 78744835, 125991736, 157489670, 314979340, 629958680]

約数ペア:

[(1, 629958680), (2, 314979340), (4, 157489670), (5, 125991736), (8, 78744835), (10, 62995868), (13, 48458360), (19, 33155720), (20, 31497934), (26, 24229180), (38, 16577860), (40, 15748967), (52, 12114590), (65, 9691672), (76, 8288930), (95, 6631144), (104, 6057295), (130, 4845836), (152, 4144465), (190, 3315572), (247, 2550440), (260, 2422918), (380, 1657786), (494, 1275220), (520, 1211459), (760, 828893), (988, 637610), (1235, 510088), (1976, 318805), (2470, 255044), (4940, 127522), (9880, 63761)]