258216723980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1\times {\mathrm{613}}^1\times {\mathrm{991}}^1$

素因数の和:2067

約数の個数: 96

約数和(自身を含む): 555327456768

約数和(自身を除く): 297110732788

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 401, 530, 613, 802, 991, 1060, 1226, 1604, 1982, 2005, 2452, 3065, 3964, 4010, 4955, 6130, 8020, 9910, 12260, 19820, 21253, 32489, 42506, 52523, 64978, 85012, 105046, 106265, 129956, 162445, 210092, 212530, 245813, 262615, 324890, 397391, 425060, 491626, 525230, 607483, 649780, 794782, 983252, 1050460, 1214966, 1229065, 1589564, 1986955, 2429932, 2458130, 3037415, 3973910, 4916260, 6074830, 7947820, 12149660, 13028089, 21061723, 26056178, 32196599, 42123446, 52112356, 64393198, 65140445, 84246892, 105308615, 128786396, 130280890, 160982995, 210617230, 243600683, 260561780, 321965990, 421234460, 487201366, 643931980, 974402732, 1218003415, 2436006830, 4872013660, 12910836199, 25821672398, 51643344796, 64554180995, 129108361990, 258216723980]

約数ペア:

[(1, 258216723980), (2, 129108361990), (4, 64554180995), (5, 51643344796), (10, 25821672398), (20, 12910836199), (53, 4872013660), (106, 2436006830), (212, 1218003415), (265, 974402732), (401, 643931980), (530, 487201366), (613, 421234460), (802, 321965990), (991, 260561780), (1060, 243600683), (1226, 210617230), (1604, 160982995), (1982, 130280890), (2005, 128786396), (2452, 105308615), (3065, 84246892), (3964, 65140445), (4010, 64393198), (4955, 52112356), (6130, 42123446), (8020, 32196599), (9910, 26056178), (12260, 21061723), (19820, 13028089), (21253, 12149660), (32489, 7947820), (42506, 6074830), (52523, 4916260), (64978, 3973910), (85012, 3037415), (105046, 2458130), (106265, 2429932), (129956, 1986955), (162445, 1589564), (210092, 1229065), (212530, 1214966), (245813, 1050460), (262615, 983252), (324890, 794782), (397391, 649780), (425060, 607483), (491626, 525230)]