About the Number

390097980

390097979 ← → 390097981

2進数表記:10111010000000110110000111100

漢数字表記:三億九千九万七千九百八十

素因数分解:

2 2 × 3 2 × 5 1 × 17 2 × 7499 1

素因数の和:7548
約数の個数: 108
約数和(自身を含む): 1257165000
約数和(自身を除く): 867067020

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 289, 306, 340, 510, 578, 612, 765, 867, 1020, 1156, 1445, 1530, 1734, 2601, 2890, 3060, 3468, 4335, 5202, 5780, 7499, 8670, 10404, 13005, 14998, 17340, 22497, 26010, 29996, 37495, 44994, 52020, 67491, 74990, 89988, 112485, 127483, 134982, 149980, 224970, 254966, 269964, 337455, 382449, 449940, 509932, 637415, 674910, 764898, 1147347, 1274830, 1349820, 1529796, 1912245, 2167211, 2294694, 2549660, 3824490, 4334422, 4589388, 5736735, 6501633, 7648980, 8668844, 10836055, 11473470, 13003266, 19504899, 21672110, 22946940, 26006532, 32508165, 39009798, 43344220, 65016330, 78019596, 97524495, 130032660, 195048990, 390097980]

約数ペア:
[(1, 390097980), (2, 195048990), (3, 130032660), (4, 97524495), (5, 78019596), (6, 65016330), (9, 43344220), (10, 39009798), (12, 32508165), (15, 26006532), (17, 22946940), (18, 21672110), (20, 19504899), (30, 13003266), (34, 11473470), (36, 10836055), (45, 8668844), (51, 7648980), (60, 6501633), (68, 5736735), (85, 4589388), (90, 4334422), (102, 3824490), (153, 2549660), (170, 2294694), (180, 2167211), (204, 1912245), (255, 1529796), (289, 1349820), (306, 1274830), (340, 1147347), (510, 764898), (578, 674910), (612, 637415), (765, 509932), (867, 449940), (1020, 382449), (1156, 337455), (1445, 269964), (1530, 254966), (1734, 224970), (2601, 149980), (2890, 134982), (3060, 127483), (3468, 112485), (4335, 89988), (5202, 74990), (5780, 67491), (7499, 52020), (8670, 44994), (10404, 37495), (13005, 29996), (14998, 26010), (17340, 22497)]

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